Cita APA (7a ed.)

Graves, D. H. (1989). Investigate nonfiction. Heinemann : Irwin.

Cita Chicago Style (17a ed.)

Graves, Donald H. Investigate Nonfiction. Portsmouth: Heinemann : Irwin, 1989.

Cita MLA (9a ed.)

Graves, Donald H. Investigate Nonfiction. Heinemann : Irwin, 1989.